@mixin ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}


@mixin bg-img($url) {
    background-image: url($url+'@2x.png');

    @media (-webkit-min-device-pixel-ratio:3),
    (min-device-pixel-ratio:3) {
        background-image: url($url+'@3x.png');
    }
}